This film deals with the aftermath of the Algerian war of liberation. Georges Montero, an Algerian-born Frenchman, manages an olive canning factory in Oran. He travels to Paris for a cataract operation. Marinette, his sister, and Belka, his friend and a recent immigrant, want him to return to France permanently. Friction develops between the two friends as Georges is pressured to sell his factory. Friendship developed between Georges and his surgeon, who as a French Arab has severed ties with his culture and country of origin.

The writer Aurélien is in hospital and learns that his parents have died in a car accident. The loner reluctantly travels to Brittany to arrange the sale of his parents' house. He can't help the memories that the small town evokes in him. Is Aurélien really the black sheep of the family? On the coast in Saint-Lunaire, Mado, an old family friend, upsets his certainties. His former best friend Hervé, a real estate agent in charge of selling the house, surprises him with a discovery.

Feeling nostalgic about their high school days, Hervé, Maxime, and Jordy decide to host a grand reunion party to reconnect and celebrate their 30-year graduation anniversary. However, their idealised memories clash with reality: no one wants to come, especially their former classmates Anne and Marion, who are determined to sabotage the event. For the first time, the trio face a harsh realisation – could it be that all this time they’ve been nothing but a bunch of pretentious jerks? Determined to make amends, they embark on a hilarious quest to prove to the world and themselves that they can be better men.

Two babies are switched at birth. When the mistake is discovered 12 years later, it leads to complications in the lives of both families. One family is affluent, with dutiful and (apparently) contented children. The other family is poor, with rambunctious (even delinquent) children, often hungry, but with lots of laughter in the house.

A father arrives at his son's house one evening. They begin talking about women, love, relationships and things turn awkward fast.